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A Historical Overview of the Cerro Matoso Operation 1980 to 2003
By J. R. Kiji
The Cerro Matoso S.A. mine and smelter, in the Cordoba lowlands of northwestern Colombia, consist of a dedicated laterite nickel mine, ore blending, drying and an RKEF process to produce high-quality
Jan 1, 2004
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A State-of-the-Art Review of Solidification Modeling of Casting Processes
By G. Upadhya
Of late, solidification modeling has progressed considerably to emerge as a viable simulation tool for the foundry engineer. A wide variety of tools exist in the commercial market to cater to the vari
Jan 1, 1994
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Applications of Multi-Level Simulation of Bridgeman Growth of B-NiAI and CdTe Crystals
By Hong Ouyang
A unified computational model has been developed for the Bridgman growth processes of B-NiAI and CdTe crystals. To handle the geometrical and physical complexities, a two-level approach has been devel
Jan 1, 1996
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Electrocatalytic Reduction of CO2 to C2H4 at a Gas/Solution/Metal Interface
By Kotaro Ogura
"The electrolysis process in which CO2 is selectively reduced to C2H4 at a three-phase(gas/solution/metal) interface on a copper-mesh electrode has been developed in a concentrated solution of potassi
Jan 1, 2008
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Rapid Infrared Forming of Titanium/SCS Fiber Composites
By Sunil G. Warrier
A rapid infrared forming technique has been developed to fabricate titanium matrix composites. This technique applies infrared heating to infiltrate titanium alloys into carbon and silicon carbide pre
Jan 1, 1993
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Biosorption Of Heavy Metals And Uranium From Dilute Solutions
By I. A. H. Schneiderl
Eichhornia crassipes approaches being a scourge in many parts of the world, .choking waterways and hindering transport upon them. At the same time it is known to readily abstract heavy metal ions from
Jan 1, 1995
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Modeling and Simulation of a Large Composite Casting
By Autumn Fjeld
The filling and solidification of an industrial scale composite casting has been simulated to investigate the re-melting of the outer shell material during casting. Production of a composite requires
Jan 1, 2008
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Effect of Test Temperature and Prior Straining on the Deformation Mode of Austenitic Stainless Steel during Tensile Testing
By S. Neogy, M. Gupta, D. Srivastava, V. Kain, S. Roychowdhury, R. C. Prasad, G. K. Dey
"Austenitic stainless steels are an important material of construction for Boiling Water Reactors (BWR). These stainless steels are amenable to strengthening by strain hardening. Various deformation m
Jan 1, 2011
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Carbonate/Phosphate Flotation Separation by the MRI No-conditioning Process
By John Hanna
The University of Alabama Mineral Resources Institute (MRI) has developed a unique process for selective fatty acid flotation of carbonate gangue from sedimentary apatites (francolite) in the pH range
Jan 1, 1989
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Novel Process for Comprehensive Utilization of Iron Concentrate Recovered from Zinc Kiln Slag
By Zhi-yong Liu
A novel process, which includes hydrochloric acid leaching, iron powder cementation, sulphide precipitation and spray pyrolysis, was proposed to treat iron concentrate recovered from zinc kiln slag fo
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Modeling of Copper Converter Foamover and Operational Improvements
By Jared Ball, Darren Snashall, Paul Telford, Pengfu Tan, Ben Hogg
"The foamed converter charges were up to 3 8 per month in Xstrata Copper Smelter at Mount Isa. The issue of high converter foamover frequency had remained unsolved for many decades in Mount Isa. A the
Jan 1, 2011
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An Investigation of Bottom Buildup in a Green-Feed Reverberatory Furnace
By J. J. Kim
In a study of buildup in a green-feed reverberatory furnace, it was determined that approximately half of the crucible area has a moderate buildup of 25 in. or less, and that the area extending 45 f t
Jan 1, 1976
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Numerical Simulation of Fluid Flow and Heat Transfer in a Waste-Heat Boiler of the Outokumpu Flash Smelting Process
Numerical simulation of the fluid flow and heat transfer has been carried out for a waste-heat boiler in an Outokumpu type copper flash smelter. In this boiler, SO2-containing off-gas flows into the w
Jan 1, 1995
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Pilot Scale Measurements of No Emissions from the Silicon Process
By Nils Eivind Kamfjord, Halvard Tveit, Ingeborg Solheim
"Because of its negative environmental effect the attention towards NO emissions increases. This again leads to new demands from the authorities for better surveillance and control of emissions. Earl
Jan 1, 2012
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The Elkem Multi-Purpose Furnace ® for the Recovery of Zinc and Lead from Waste Materials
By Thor Pedersen
Elkem's technologies for the processing of waste materials, dusts, sludges and other residues, are based on the use of their Multi-Purpose Furnace as the primary processing component. The Multi
Jan 1, 1990
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Current Status of Heat Recovery from Granulated Slag
By Mansoor Barati, Shaghayegh Esfahani
"The slag from extraction of ferrous and non-ferrous metals is a potential heat source which if treated properly can contribute to recovery of a significant amount of energy. The waste heat of slag ma
Jan 1, 2012
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Design And Operation Of A Novel Gas Cooler For Refimet Copper Smelter, La Negra, Chile
By Tim J. A. Smith
Fundicion Refimet S.A. has operated a custom copper smelter at La Negra, near Antofagasta in northern Chile since 1993. From an initial operation based on Reverb smelting and Peirce-Smith, converting,
Jan 1, 1998
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Fundamental and Applied Aspects of Nickel Electrowinning from Chloride Electrolytes
By Jinxing Ji
Several fundamental aspects related to the nickel electrowinning from chloride electrolytes have been addressed in this paper. The thermodynamic study includes the activity coefficient of the hydrogen
Jan 1, 1995
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Pullout Test of Jute Fiber to Evaluate the Interface Shear Stress in Polyester Composites
By Isabela Leao Amaral da Silva, Felipe Perisse Duarte Lopes, Alice Barreto Bevitori, Sergio Neves Monteiro
"Jute fibers have in the past decades being investigated as possible reinforcement of polymer composites. However, information is still needed on the fiber interaction with a polymeric matrix for a co
Jan 1, 2011
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Forecast Of Aluminum Usage In The Automotive Market And Subsequent Impact On The Recycling Infrastructure
By Michael B. Tessieri
With the increasing environmental demands and higher fuel efficiency standards on auto manufacturers, the use of aluminum in automotive applications is expected to show significant growth for the bal
Jan 1, 1995